I found that the concentration of the nutrient solution 1.5 µS/cm total height of kale and spinach with stems and root length, maximum average 41.83 and 45.33 centimeters respectively.
Showed that the concentration of nutrient solution on the 1.5 could S / cm. Kale amount is height of stem and root length and average maximum 41.83 45.33 cm, respectively.